Home » PMI » PMP v.2 » What percentage of project completion?
The cumulative CPI has been shown to be relatively stable after what percentage of project completion?
A. 5% to 10%
B. 15% to 20%
C. 25% to 35%
D. 50% to 75%
Correct Answer: B
Explanation/Reference:
The CPI has been proven to be an accurate and reliable forecasting tool. Researchers have found that the cumulative CPI does not change by more than 10% once a project is approximately 20% complete. The CPI provides a quick statistical forecast of final project costs.
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